/* 定义喇叭图标样式 */
#lb-icon {
  position: fixed;
  top: 2%;
  left: 2%;
  width: 50px;
  height: 50px;
  background-image: url('../image/lb.png');
  background-size: cover;
  animation: shake 0.5s infinite;
  z-index: 9999;
  cursor: pointer;
}

/* 定义抖动动画 */
@keyframes shake {
  0% {
    transform: rotate(-10deg);
  }

  50% {
    transform: rotate(10deg);
  }

  100% {
    transform: rotate(-10deg);
  }
}